Home / 987,242.36-1,480,858.68-239,288.36

Finding the Fourth Proportional to 987,242.36, 1,480,858.68 and 239,288.36

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Solution

The fourth proportional to 987,242.36, 1,480,858.68 and 239,288.36 is: 358,931.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,242.36 : 1,480,858.68 = 239,288.36 : x
  2. Step 2: Convert to fraction form
    987,242.36/1,480,858.68 = 239,288.36/x
  3. Step 3: Cross multiply
    987,242.36x = 1,480,858.68 × 239,288.36
  4. Step 4: Simplify right side
    987,242.36x = 354,352,244,928.97
  5. Step 5: Solve for x
    x = 354,352,244,928.97/987,242.36
  6. Step 6: Final answer
    x = 358,931.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.